- Nov 21, 2011
- 116
Shorted the pins to my steering control lights while changing to LED's. Can anyone tell me which Fuse number it is? I have gone through the rear box and have done a continuity check on all of them.. they're all good.. 
Steering Control Lights fuse number?
- Thread starter ChevyTBLover
- Start date
- Nov 21, 2011
- 116
Checked both of them, they're good..
Went through the service manual and found this. The inline fuse must have blown. Now the problem is where is this inline fuse? Showing after the steering coil, so I would guess it would be somewhere in the steering column? I hate to rip that apart though and find nothing..
Went through the service manual and found this. The inline fuse must have blown. Now the problem is where is this inline fuse? Showing after the steering coil, so I would guess it would be somewhere in the steering column? I hate to rip that apart though and find nothing..
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TBC (Truck Body Controller) fuses should have been labeled MUCH better by the inbred designers and manual writers. But the BCM (what most schematics call it) manages the two dimmable lamp feeds, so that's the connection. There's one for incandescent lamps and another one for dash panel LEDs. LEDs and incandescent lamps respond slightly differently to the PWM signal used for dimming (LEDs are more linear), so the designers included two in the vehicle. To be more accurate, changing lights from incandescent to LED should also involve changing the feed bus from one to the other, but I've never heard of anybody being that anal.
Hmmmm, that solves a mystery I never got to the bottom of. I had to repair my clockspring once, and I always take an excessive number of pictures when I'm inside somewhere I may never need to go back in later. I seem to remember a mystery fuseholder and I never connected it to a lamp feed bus. It's in the right location behind the clock spring, under the cover that hides the multifunction switch connector.
